The air quality in South Korea is very bad. People living here will all have their longterm health negatively affected by this. Unfortunately, there isn't much civic or political will to make the necessary changes to improve things significantly. Perhaps more awareness is the first step.

#ing on Mar 20, 2016
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I am quite surprised to see that all the levels above are green meaning okay.
but I think 'Air pollution data from World Health Organization -PM10 Pollution Level: High' is the correct one.

Nowadays we have air pollution alarms more frequently than before.
fine dust and polluted air from China plus air pollution generated from our own soil makes the air here get worse.

Usually, during spring time, the air quality is not good for seasonal reasons, but we have more air pollution alarms in other seaons too and more frequently.

I am worried.

#KANG JI HOON on Sep 10, 2014
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KOREAS PARKS ARE VERY CLEAN AND GREEN I THINK YOU SHOULD MAKE THEM TO GOOD NOT MODERATE. ALSO I AM THE MEMBER OF THE KOREAN ENVIRONMENT SOCIETY NAMED KANG JI HOON. THANK YOU